Added ability to reduce dust on the floor for cooling units
Added option to upgrade servers for lesser errors
Added option to upgrade cooling units to increase dust reduction
Added New Game button to start a new game without restarting the game
Added warning text about servers with dusty fans
Adjusted inventory and contract prices in the game
Added increase in contract prices according to game level
Added a system to avoid selecting the wrong email when a new email is received while an email is hovered